Configuring The Host Adapter - Adaptec AHA-3940U Installation Manual

Note:
The PCI bus is supposed to automati-
cally assign Interrupt channels (IRQs) and
port addresses. But because PCI is currently
combined with other bus architectures such
as ISA and EISA, you may need to edit the
PCI bus parameters in your CMOS Setup .
When the computer boots, the host adapter BIOS
sign-on message appears on the screen. This mes-
sage includes a list of installed SCSI devices and
information about the BIOS. In most cases your com-
puter, host adapter, and SCSI devices are ready to
use, and you do not need to run SCSISelect.
7

Configuring the Host Adapter

Your AHA-3940U/3940UW/3940UWD host
adapter includes the built-in SCSISelect configura-
tion utility. SCSISelect lets you change host adapter
settings, such as SCSI Parity Checking and Host
Adapter SCSI ID, without opening your computer or
flipping switches.
To run SCSISelect, press Ctrl-A immediately when
the SCSISelect message appears on the screen at the
time your computer boots.
Use the arrow ( ) and Enter keys to make selec-
tions in the SCSISelect Options menu. Press Esc at
any time to return to the previous menu. You can
press F6 to restore the original default settings. To
abandon changes you made in the Configure/View
Host Adapter Settings menu, press Esc and select No
when asked if you want to save the changes.
The first SCSISelect screen asks you to choose SCSI
Channel A or Channel B. You can only configure one
SCSI channel at a time. If you have multiple host
adapters, the screen displays a list of SCSI channels
for all installed host adapters.
Configure/View Host Adapter Settings
The Configuration screen displays the basic options
for each SCSI channel: Host Adapter SCSI ID, SCSI
Parity Checking, Host Adapter SCSI Termination,
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AHA-3940U/3940UW/3940UWD Installation Guide
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Part Number: 511040-00, Rev. B
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Print Spec Number: 494568-00
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Current Date: 11/14/96
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ECN Date:11/18/96
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